Tape backup performance on 386 ISA/EISA systems
walter at mecky.UUCP
Fri Jun 1 10:56:41 AEST 1990
In article <1990May25.123302.26061 at virtech.uucp> cpcahil at virtech.uucp (Conor P. Cahill) writes:
+ I am trying to collect data on the performance of the different tape
+ backup systems available for 386 bases Unix systems. What I am
+ trying to obtain is the speed in MB/minute of backing up a file system
+ to tape. In order to be meaningful, the file system must be at least
+ 30MB and be backed up using the following command (so that everybody
+ uses the same mechanism):
+ /bin/time sh -c "find . -print | cpio -oBcC 10240 > /dev/rmt0"
+ Time: Real: 10:50.7 User: 10.2 System: 1:17.9
Note that only the "Real" portion of time(1) is significant here, because
"User" and "System" problably are those of find(1) only.
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